If you are looking for races in Portsmouth, New Hampshire, you have come to the right place. Portsmouth has a growing running scene with 6 races listed in our directory, including 3 upcoming events in 2026. Whether you are lacing up for your first 5K or chasing a new personal record, there is something here for every runner.
Upcoming Races in Portsmouth, New Hampshire
Here is a look at the top upcoming races in Portsmouth this year. We update our listings weekly so you always have the most current information.
Seacoast Cancer 5K Run/Walk
Date: September 20, 2026
Distance: 5K
Ready to run for a great cause right here in Portsmouth? All the funds you help raise stay local and directly support cancer patients and survivors through every step of their journey, enabling them to enjoy life while receiving treatment. Read full details →
18th Annual Celebrate Pink 5K Run & Walk
Date: September 27, 2026
Distance: 5K
Get ready to run or walk alongside your community in beautiful Portsmouth, NH for this inspiring 18th annual event that honors breast cancer survivors and fightersplus, every online registration gets you a raffle ticket for a chance to win a YETI cooler! Read full details →
Seacoast Half Marathon
Date: October 25, 2026
Distance: Half Marathon
Join us for a beloved half marathon tradition right here in Portsmouth that’s been bringing runners together for years along the beautiful New Hampshire coast. Read full details →
Why Run in Portsmouth?
Running events in Portsmouth offer a mix of community fun runs, charity 5Ks, and competitive road races throughout the year. The local running community is active and welcoming to runners of all levels — from first-timers to seasoned racers. Many of these events benefit local charities and organizations, making race day about more than just your finish time.
Find More Races in New Hampshire
Portsmouth is just one part of a thriving New Hampshire running scene. If you want to explore more events across the state, check out our full race listings for New Hampshire — we track every upcoming running event from 1 mile fun runs to full marathons.
Get Ready to Race
Found a race you want to run? The next step is making sure you are properly trained for it. Whether you are a first-timer aiming to finish or a veteran chasing a PR, having the right training plan makes all the difference.
Take our free 3-question training plan quiz and get matched to the right plan for your fitness level in under a minute. We will send it straight to your inbox so you can start training today.
Good luck out there — see you at the finish line in Portsmouth!
